The "Dissertation" (v.2 p.-136) has special t-p, with imprint: A Berlin, M. DCC. LXX; it was also published separately, but here is signed continuously, & has "Tome II." in direction line on Ll1r (p.). T-p of v.3: Défense des Recherches philosophiques sur les Américains ... Tome III. A Berlin, M. DCC. LXX.
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